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Describe how the structure of ATP is similar to and differs from the structure of a DNA nucleotide.

First of all, one can tell a lot about the structure of these molecules by looking at their full names - Adenosine triphosphate and deoxyribose nucleic acid. There are many structural similarities between AT...
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Answered by Alfie B. • Biology tutor
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what are enzymes?

Enzymes are biological catalysts . They speed up chemical reactions in all living things, and allow them to occur more easily. They occur in plant cells and animal cells. Enzymes are chemical molecules, made...
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Answered by Alex B. • Biology tutor
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What's the difference between cell division and cell differentiation?

Cell differentiation allows a cell to specialize to achieve a specific function Multicellular organisms (eg: humans) have different types of cells which have different functions. For example: a muscle cell n...
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Answered by Svet L. • Biology tutor
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Describe the key features of a velocity-time graph?

A velocity-time graph shows the speed and direction an object travels over a specific period of time. Velocity-time graphs are also called speed-time graphs. The vertical axis of a velocity-time graph is the...
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Define a gene

The basic unit of genetic material inherited from our parents - it is a short section of DNA.
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